/Engine/Source/Runtime/Core/Public/Misc/FrameRate.h
A frame rate represented as a fraction comprising 2 integers: a numerator (number of frames), and a denominator (per second)
struct FFrameRate
int32
Denominator
The denominator of the framerate represented as a number of frames per second (e.g. 1 for 60 fps)
int32
Numerator
The numerator of the framerate represented as a number of frames per second (e.g. 60 for 60 fps)